12647875 has 8 divisors (see below), whose sum is σ = 15784704. Its totient is φ = 10118200.

The previous prime is 12647849. The next prime is 12647897. The reversal of 12647875 is 57874621.

It is not a de Polignac number, because 12647875 - 2⁹ = 12647363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50467 + ... + 50716.

It is an arithmetic number, because the mean of its divisors is an integer number (1973088).

Almost surely, 2^12647875 is an apocalyptic number.

12647875 is a deficient number, since it is larger than the sum of its proper divisors (3136829).

12647875 is an equidigital number, since it uses as much as digits as its factorization.

12647875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101198 (or 101188 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 12647875 is about 3556.3851028819. The cubic root of 12647875 is about 232.9910230045.

The spelling of 12647875 in words is "twelve million, six hundred forty-seven thousand, eight hundred seventy-five".